Likelihood analysis of the minimal AMSB model
Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark...
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| Autor*in: |
E. Bagnaschi [verfasserIn] M. Borsato [verfasserIn] K. Sakurai [verfasserIn] O. Buchmueller [verfasserIn] R. Cavanaugh [verfasserIn] V. Chobanova [verfasserIn] M. Citron [verfasserIn] J. C. Costa [verfasserIn] A. De Roeck [verfasserIn] M. J. Dolan [verfasserIn] J. R. Ellis [verfasserIn] H. Flächer [verfasserIn] S. Heinemeyer [verfasserIn] G. Isidori [verfasserIn] M. Lucio [verfasserIn] F. Luo [verfasserIn] D. Martínez Santos [verfasserIn] K. A. Olive [verfasserIn] A. Richards [verfasserIn] G. Weiglein [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Übergeordnetes Werk: |
In: European Physical Journal C: Particles and Fields - SpringerOpen, 2017, 77(2017), 4, Seite 28 |
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| Übergeordnetes Werk: |
volume:77 ; year:2017 ; number:4 ; pages:28 |
| Links: |
Link aufrufen |
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| DOI / URN: |
10.1140/epjc/s10052-017-4810-0 |
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| Katalog-ID: |
DOAJ026970767 |
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| 520 | |a Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . | ||
| 653 | 0 | |a Astrophysics | |
| 653 | 0 | |a Nuclear and particle physics. Atomic energy. Radioactivity | |
| 700 | 0 | |a M. Borsato |e verfasserin |4 aut | |
| 700 | 0 | |a K. Sakurai |e verfasserin |4 aut | |
| 700 | 0 | |a O. Buchmueller |e verfasserin |4 aut | |
| 700 | 0 | |a R. Cavanaugh |e verfasserin |4 aut | |
| 700 | 0 | |a V. Chobanova |e verfasserin |4 aut | |
| 700 | 0 | |a M. Citron |e verfasserin |4 aut | |
| 700 | 0 | |a J. C. Costa |e verfasserin |4 aut | |
| 700 | 0 | |a A. De Roeck |e verfasserin |4 aut | |
| 700 | 0 | |a M. J. Dolan |e verfasserin |4 aut | |
| 700 | 0 | |a J. R. Ellis |e verfasserin |4 aut | |
| 700 | 0 | |a H. Flächer |e verfasserin |4 aut | |
| 700 | 0 | |a S. Heinemeyer |e verfasserin |4 aut | |
| 700 | 0 | |a G. Isidori |e verfasserin |4 aut | |
| 700 | 0 | |a M. Lucio |e verfasserin |4 aut | |
| 700 | 0 | |a F. Luo |e verfasserin |4 aut | |
| 700 | 0 | |a D. Martínez Santos |e verfasserin |4 aut | |
| 700 | 0 | |a K. A. Olive |e verfasserin |4 aut | |
| 700 | 0 | |a A. Richards |e verfasserin |4 aut | |
| 700 | 0 | |a G. Weiglein |e verfasserin |4 aut | |
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10.1140/epjc/s10052-017-4810-0 doi (DE-627)DOAJ026970767 (DE-599)DOAJa792c676b365453f85a1eea16db564a1 DE-627 ger DE-627 rakwb eng QB460-466 QC770-798 E. Bagnaschi verfasserin aut Likelihood analysis of the minimal AMSB model 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . Astrophysics Nuclear and particle physics. Atomic energy. Radioactivity M. Borsato verfasserin aut K. Sakurai verfasserin aut O. Buchmueller verfasserin aut R. Cavanaugh verfasserin aut V. Chobanova verfasserin aut M. Citron verfasserin aut J. C. Costa verfasserin aut A. De Roeck verfasserin aut M. J. Dolan verfasserin aut J. R. Ellis verfasserin aut H. Flächer verfasserin aut S. Heinemeyer verfasserin aut G. Isidori verfasserin aut M. Lucio verfasserin aut F. Luo verfasserin aut D. Martínez Santos verfasserin aut K. A. Olive verfasserin aut A. Richards verfasserin aut G. Weiglein verfasserin aut In European Physical Journal C: Particles and Fields SpringerOpen, 2017 77(2017), 4, Seite 28 (DE-627)253722934 (DE-600)1459069-4 14346052 nnns volume:77 year:2017 number:4 pages:28 https://doi.org/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/article/a792c676b365453f85a1eea16db564a1 kostenfrei http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/toc/1434-6044 Journal toc kostenfrei https://doaj.org/toc/1434-6052 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 77 2017 4 28 |
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10.1140/epjc/s10052-017-4810-0 doi (DE-627)DOAJ026970767 (DE-599)DOAJa792c676b365453f85a1eea16db564a1 DE-627 ger DE-627 rakwb eng QB460-466 QC770-798 E. Bagnaschi verfasserin aut Likelihood analysis of the minimal AMSB model 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . Astrophysics Nuclear and particle physics. Atomic energy. Radioactivity M. Borsato verfasserin aut K. Sakurai verfasserin aut O. Buchmueller verfasserin aut R. Cavanaugh verfasserin aut V. Chobanova verfasserin aut M. Citron verfasserin aut J. C. Costa verfasserin aut A. De Roeck verfasserin aut M. J. Dolan verfasserin aut J. R. Ellis verfasserin aut H. Flächer verfasserin aut S. Heinemeyer verfasserin aut G. Isidori verfasserin aut M. Lucio verfasserin aut F. Luo verfasserin aut D. Martínez Santos verfasserin aut K. A. Olive verfasserin aut A. Richards verfasserin aut G. Weiglein verfasserin aut In European Physical Journal C: Particles and Fields SpringerOpen, 2017 77(2017), 4, Seite 28 (DE-627)253722934 (DE-600)1459069-4 14346052 nnns volume:77 year:2017 number:4 pages:28 https://doi.org/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/article/a792c676b365453f85a1eea16db564a1 kostenfrei http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/toc/1434-6044 Journal toc kostenfrei https://doaj.org/toc/1434-6052 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 77 2017 4 28 |
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10.1140/epjc/s10052-017-4810-0 doi (DE-627)DOAJ026970767 (DE-599)DOAJa792c676b365453f85a1eea16db564a1 DE-627 ger DE-627 rakwb eng QB460-466 QC770-798 E. Bagnaschi verfasserin aut Likelihood analysis of the minimal AMSB model 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . Astrophysics Nuclear and particle physics. Atomic energy. Radioactivity M. Borsato verfasserin aut K. Sakurai verfasserin aut O. Buchmueller verfasserin aut R. Cavanaugh verfasserin aut V. Chobanova verfasserin aut M. Citron verfasserin aut J. C. Costa verfasserin aut A. De Roeck verfasserin aut M. J. Dolan verfasserin aut J. R. Ellis verfasserin aut H. Flächer verfasserin aut S. Heinemeyer verfasserin aut G. Isidori verfasserin aut M. Lucio verfasserin aut F. Luo verfasserin aut D. Martínez Santos verfasserin aut K. A. Olive verfasserin aut A. Richards verfasserin aut G. Weiglein verfasserin aut In European Physical Journal C: Particles and Fields SpringerOpen, 2017 77(2017), 4, Seite 28 (DE-627)253722934 (DE-600)1459069-4 14346052 nnns volume:77 year:2017 number:4 pages:28 https://doi.org/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/article/a792c676b365453f85a1eea16db564a1 kostenfrei http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/toc/1434-6044 Journal toc kostenfrei https://doaj.org/toc/1434-6052 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 77 2017 4 28 |
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10.1140/epjc/s10052-017-4810-0 doi (DE-627)DOAJ026970767 (DE-599)DOAJa792c676b365453f85a1eea16db564a1 DE-627 ger DE-627 rakwb eng QB460-466 QC770-798 E. Bagnaschi verfasserin aut Likelihood analysis of the minimal AMSB model 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . Astrophysics Nuclear and particle physics. Atomic energy. Radioactivity M. Borsato verfasserin aut K. Sakurai verfasserin aut O. Buchmueller verfasserin aut R. Cavanaugh verfasserin aut V. Chobanova verfasserin aut M. Citron verfasserin aut J. C. Costa verfasserin aut A. De Roeck verfasserin aut M. J. Dolan verfasserin aut J. R. Ellis verfasserin aut H. Flächer verfasserin aut S. Heinemeyer verfasserin aut G. Isidori verfasserin aut M. Lucio verfasserin aut F. Luo verfasserin aut D. Martínez Santos verfasserin aut K. A. Olive verfasserin aut A. Richards verfasserin aut G. Weiglein verfasserin aut In European Physical Journal C: Particles and Fields SpringerOpen, 2017 77(2017), 4, Seite 28 (DE-627)253722934 (DE-600)1459069-4 14346052 nnns volume:77 year:2017 number:4 pages:28 https://doi.org/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/article/a792c676b365453f85a1eea16db564a1 kostenfrei http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/toc/1434-6044 Journal toc kostenfrei https://doaj.org/toc/1434-6052 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 77 2017 4 28 |
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10.1140/epjc/s10052-017-4810-0 doi (DE-627)DOAJ026970767 (DE-599)DOAJa792c676b365453f85a1eea16db564a1 DE-627 ger DE-627 rakwb eng QB460-466 QC770-798 E. Bagnaschi verfasserin aut Likelihood analysis of the minimal AMSB model 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . Astrophysics Nuclear and particle physics. Atomic energy. Radioactivity M. Borsato verfasserin aut K. Sakurai verfasserin aut O. Buchmueller verfasserin aut R. Cavanaugh verfasserin aut V. Chobanova verfasserin aut M. Citron verfasserin aut J. C. Costa verfasserin aut A. De Roeck verfasserin aut M. J. Dolan verfasserin aut J. R. Ellis verfasserin aut H. Flächer verfasserin aut S. Heinemeyer verfasserin aut G. Isidori verfasserin aut M. Lucio verfasserin aut F. Luo verfasserin aut D. Martínez Santos verfasserin aut K. A. Olive verfasserin aut A. Richards verfasserin aut G. Weiglein verfasserin aut In European Physical Journal C: Particles and Fields SpringerOpen, 2017 77(2017), 4, Seite 28 (DE-627)253722934 (DE-600)1459069-4 14346052 nnns volume:77 year:2017 number:4 pages:28 https://doi.org/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/article/a792c676b365453f85a1eea16db564a1 kostenfrei http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 kostenfrei https://doaj.org/toc/1434-6044 Journal toc kostenfrei https://doaj.org/toc/1434-6052 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 77 2017 4 28 |
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Bagnaschi</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Likelihood analysis of the minimal AMSB model</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2017</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. 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Likelihood analysis of the minimal AMSB model |
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Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . |
| abstractGer |
Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . |
| abstract_unstemmed |
Abstract We perform a likelihood analysis of the minimal anomaly-mediated supersymmetry-breaking (mAMSB) model using constraints from cosmology and accelerator experiments. We find that either a wino-like or a Higgsino-like neutralino LSP, $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , may provide the cold dark matter (DM), both with similar likelihoods. The upper limit on the DM density from Planck and other experiments enforces $$m_{\tilde{\chi }^0_{1}} \lesssim 3 \,\, \mathrm {TeV}$$ m χ ~ 1 0 ≲ 3 TeV after the inclusion of Sommerfeld enhancement in its annihilations. If most of the cold DM density is provided by the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 , the measured value of the Higgs mass favours a limited range of $$\tan \beta \sim 5$$ tan β ∼ 5 (and also for $$\tan \beta \sim 45$$ tan β ∼ 45 if $$\mu < 0$$ μ < 0 ) but the scalar mass $$m_0$$ m 0 is poorly constrained. In the wino-LSP case, $$m_{3/2}$$ m 3 / 2 is constrained to about $$900\,\, \mathrm {TeV}$$ 900 TeV and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 to $$2.9\pm 0.1\,\, \mathrm {TeV}$$ 2.9 ± 0.1 TeV , whereas in the Higgsino-LSP case $$m_{3/2}$$ m 3 / 2 has just a lower limit $$\gtrsim 650\,\, \mathrm {TeV}$$ ≳ 650 TeV ( $$\gtrsim 480\,\, \mathrm {TeV}$$ ≳ 480 TeV ) and $$m_{\tilde{\chi }^0_{1}}$$ m χ ~ 1 0 is constrained to $$1.12 ~(1.13) \pm 0.02\,\, \mathrm {TeV}$$ 1.12 ( 1.13 ) ± 0.02 TeV in the $$\mu <0$$ μ < 0 ( $$\mu <0$$ μ < 0 ) scenario. In neither case can the anomalous magnetic moment of the muon, $$(g-2)_\mu $$ ( g - 2 ) μ , be improved significantly relative to its Standard Model (SM) value, nor do flavour measurements constrain the model significantly, and there are poor prospects for discovering supersymmetric particles at the LHC, though there are some prospects for direct DM detection. On the other hand, if the $$\tilde{\chi }^0_{1}$$ χ ~ 1 0 contributes only a fraction of the cold DM density, future LHC -based searches for gluinos, squarks and heavier chargino and neutralino states as well as disappearing track searches in the wino-like LSP region will be relevant, and interference effects enable $$\mathrm{BR}(B_{s, d} \rightarrow \mu ^+\mu ^-)$$ BR ( B s , d → μ + μ - ) to agree with the data better than in the SM in the case of wino-like DM with $$\mu < 0$$ μ < 0 . |
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| title_short |
Likelihood analysis of the minimal AMSB model |
| url |
https://doi.org/10.1140/epjc/s10052-017-4810-0 https://doaj.org/article/a792c676b365453f85a1eea16db564a1 http://link.springer.com/article/10.1140/epjc/s10052-017-4810-0 https://doaj.org/toc/1434-6044 https://doaj.org/toc/1434-6052 |
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| author2 |
M. Borsato K. Sakurai O. Buchmueller R. Cavanaugh V. Chobanova M. Citron J. C. Costa A. De Roeck M. J. Dolan J. R. Ellis H. Flächer S. Heinemeyer G. Isidori M. Lucio F. Luo D. Martínez Santos K. A. Olive A. Richards G. Weiglein |
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M. Borsato K. Sakurai O. Buchmueller R. Cavanaugh V. Chobanova M. Citron J. C. Costa A. De Roeck M. J. Dolan J. R. Ellis H. Flächer S. Heinemeyer G. Isidori M. Lucio F. Luo D. Martínez Santos K. A. Olive A. Richards G. Weiglein |
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QB - Astronomy |
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10.1140/epjc/s10052-017-4810-0 |
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QB460-466 |
| up_date |
2024-07-03T23:50:21.118Z |
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1803603800111448064 |
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| score |
7.400467 |